Handgun grip



FIG. 1 is a front-right perspective view of a first embodiment of the handgun grip of the design;

FIG. 2 is a front view thereof;

FIG. 3 is a left-side view thereof; and,

FIG. 4 is a bottom view thereof.

The portions of the embodiments depicted in broken lines form no part of the claimed design. 

The ornamental design for a handgun grip, as shown and described. 